2 lines
9.4 KiB
JSON
2 lines
9.4 KiB
JSON
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out-of-bounds (OOB) memory access flaw was found in fs/f2fs/node.c in the f2fs module in the Linux kernel in versions before 5.12.0-rc4. A bounds check failure allows a local attacker to gain access to out-of-bounds memory leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability."},{"lang":"es","value":"Se encontró un fallo de acceso a la memoria fuera de límites (OOB) en el archivo fs/f2fs/node.c en el módulo f2fs en el kernel de Linux en versiones anteriores a 5.12.0-rc4. Un fallo en la comprobación de límites permite a un atacante local conseguir acceso a la memoria fuera de límites, conllevando a un bloqueo del sistema o una fuga de información interna del kernel. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema"}],"id":"CVE-2021-3506","lastModified":"2026-09-01T18:04:20.630","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"LOCAL","authentication":"NONE","availabilityImpact":"COMPLETE","baseScore":5.6,"confidentialityImpact":"PARTIAL","integrityImpact":"NONE","vectorString":"AV:L/AC:L/Au:N/C:P/I:N/A:C","version":"2.0"},"exploitabilityScore":3.9,"impactScore":7.8,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","version":"3.1"},"exploitabilityScore":1.8,"impactScore":5.2,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-04-19T22:15:13.110","references":[{"source":"secalert@redhat.com","tags":["Mailing List","Patch","Third Party Advisory"],"url":"http://www.openwall.com/lists/oss-security/2021/05/08/1"},{"source":"secalert@redhat.com","tags":["Issue Tracking","Third Party Advisory"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1944298"},{"source":"secalert@redhat.com","tags":["Mailing List","Third Party Advisory"],"url":"https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html"},{"source":"secalert@redhat.com","tags":["Third Party Advisory"],"url":"https://security.netapp.com/advisory/ntap-20210611-0007/"},{"source":"secalert@redhat.com","tags":["Mailing List","Third Party Advisory"],"url":"https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg2520013.html"},{"source":"secalert@redhat.com","tags":["Mailing List","Patch","Third Party Advisory"],"url":"https://www.openwall.com/lists/oss-security/2021/03/28/2"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch","Third Party Advisory"],"url":"http://www.openwall.com/lists/oss-security/2021/05/08/1"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Third Party Advisory"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1944298"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"url":"https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://security.netapp.com/advisory/ntap-20210611-0007/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"url":"https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg2520013.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch","Third Party Advisory"],"url":"https://www.openwall.com/lists/oss-security/2021/03/28/2"}],"sourceIdentifier":"secalert@redhat.com","vulnStatus":"Analyzed","weaknesses":[{"description":[{"lang":"en","value":"CWE-125"}],"source":"secalert@redhat.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-125"}],"source":"nvd@nist.gov","type":"Secondary"}]}
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